package kr.saeildamil.androidstudty.ch07;

import kr.saeildamil.androidstudty.R;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.os.Bundle;
import android.view.View;

public class DrawBitmapEx extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		DrawView dv = new DrawView(this);
		setContentView(dv);

	}

}

class DrawView extends View {
	Bitmap bit;
	Canvas offscreen;
	Bitmap backBit;
	Paint pnt;

	public DrawView(Context context) {
		super(context);
		// TODO Auto-generated constructor stub
		bit = BitmapFactory.decodeResource(getResources(), R.drawable.harubang);
		backBit = Bitmap.createBitmap(300, 200, Bitmap.Config.ARGB_8888);
		offscreen = new Canvas(backBit);
		offscreen.drawColor(Color.GREEN);
		pnt = new Paint();
		pnt.setColor(Color.RED);
	}

	@Override
	protected void onDraw(Canvas canvas) {
		// TODO Auto-generated method stub
		super.onDraw(canvas);
		/*
		 * canvas.drawBitmap(bit, 10, 10, null); canvas.drawBitmap(bit, null,
		 * new Rect(102, 10, 170, 85), null); canvas.drawBitmap(bit, new
		 * Rect(30, 30, 70, 80), new Rect(180, 10, 180 + 80, 10 + 100), null);
		 */
		for (int x = 0; x < 300; x += 10) {
			offscreen.drawLine(x, 0, 300 - x, 200, pnt);
		}
		canvas.drawBitmap(backBit, 10, 10, null);
	}
}